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      Elev 102 ft, 41.737 °N 70.161 °W

      South Dennis, MA

      Updated: 7:13 PM EDT on September 26, 2026 (GMT -4)
      4 minutes ago
      63°
      55°
      59
      Feels Like 59
      Rain/Wind
      N
      21
      Gusts 35 mph
      Higher temperature is expected tomorrow
      Wundermap
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Sat 09/26
        Low 58°f
        100% Precip. / 0.91 in
        Cloudy and windy with periods of rain. Low 58F. Winds ENE at 20 to 30 mph. Chance of rain 100%. Rainfall near an inch. Coastal flooding possible at high tide.
        Tomorrow
        Sun 09/27
        High 67°f
        78% Precip. / 0.22 in
        Steady light rain in the morning. Showers continuing in the afternoon. High 67F. Winds E at 10 to 20 mph. Chance of rain 80%. Coastal flooding possible at high tide.
        Tomorrow night
        Sun 09/27
        Low 60°f
        81% Precip. / 0.28 in
        Rain showers in the evening will evolve into a more steady rain overnight. Low near 60F. Winds E at 10 to 15 mph. Chance of rain 80%. Rainfall near a quarter of an inch. Coastal flooding possible at high tide.
        Hourly Forecast
        Now
        58°
        8PM
        80%
        59°
        9PM
        99%
        59°
        10PM
        88%
        60°
        11PM
        77%
        61°
        12AM
        100%
        62°
        1AM
        80%
        62°
        2AM
        99%
        63°
        3AM
        98%
        62°
        4AM
        89%
        63°
        5AM
        79%
        64°
        6AM
        64%
        65°
        6:32AM
        Sunrise
        7AM
        79%
        65°
        8AM
        64%
        64°
        9AM
        66%
        65°
        10AM
        52%
        66°
        11AM
        61%
        66°
        12PM
        59%
        66°
        1PM
        47%
        67°
        2PM
        49%
        66°
        3PM
        46%
        66°
        4PM
        49%
        65°
        5PM
        41%
        64°
        6PM
        41%
        63°
        6:28PM
        Sunset
        7PM
        36%
        62°
        Additional Conditions
        1. Pressure 29.71 in
        2. Visibility 4 miles
        3. Clouds Cloudy
        4. Dew Point58°F
        5. Humidity 98%
        6. Rainfall 0.58 in
        7. Snow Depth 0 in
        KHYA Station History
        Almanac for September 26, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 63°F 68°F 81°F 2011
        4. Low 55°F 53°F 37°F 1981
        5. Rain/Snow Depth
        6. Precipitation 0.91 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 27, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 67°F 68°F 85°F
        4. Low 55°F 53°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:32 AM 6:30 PM
        3. Civil Twilight 6:04 AM 6:58 PM
        4. Nautical Twilight 5:32 AM 7:30PM
        5. Astronomical Twilight 4:59 AM 8:03 PM
        1. Length of Visible Light 12h 53m
        2. Length of Day 11h 58m
        3. Tomorrow will be 2 minutes 46 seconds shorter
        1. Moon 6:18 PM 6:23 AM
        2. Full99% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
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